Panasonic CW-C51LE Service Manual ▷ View online
Troubleshooting Guide
Warning : Disconnect unit from electrical power supply before making any electrical checks. Discharge the capacitor before checking it.
Check
1. Supply Voltage.
2. Fuse box or Circuit
2. Fuse box or Circuit
Breaker.
3. Power cord or wiring
harness.
4. Thermostat setting.
1. Objects around fan.
2. Resistance between
wires.
3. Capacitor Fan Motor.
4. Main Control Switch.
4. Main Control Switch.
1. Thermostat setting.
2. resistance between
2. resistance between
terminal and the
compressor body.
compressor body.
3. Resistance between
terminals.
4. Overload Protector (OLP).
5. Capacitor Compressor.
6. Thermostat.
7. Main Control Switch.
5. Capacitor Compressor.
6. Thermostat.
7. Main Control Switch.
1. Thermostat setting.
2. Air filter dirty.
3. Location of installation.
2. Air filter dirty.
3. Location of installation.
4. Evaporator/Condensor coil
obstructed.
5. Unit capacity to small
or room to big.
6. Temperature and
current difference.
1. Source of noise.
1. Unit installation.
2. Drain Tray-styrofoam
2. Drain Tray-styrofoam
pieces blocking drain
channel.
channel.
1. Thermostat setting.
2. Air filter/ Evaporator.
3. Temperature and
3. Temperature and
current difference.
Result
Less than 10% by rated.
Open Contacts.
Open Contacts.
Pulled loose or shorted.
Higher than room temperature.
Locked fan.
Shorted/Open circuit.
Ohm Meter doesn't deflect.
No contacts at position
shown.
No contacts at position
shown.
Higher than room temperature.
Shorted.
Shorted.
Shorted.
Infinity between terminals.
Ohm Meter doesn't deflect.
No click around position.
No contacts at position shown.
Ohm Meter doesn't deflect.
No click around position.
No contacts at position shown.
Higher than room temperature.
Clogged or dirty.
Sunlight hitting outdoor
side obstacles.
Clogged or dirty.
Sunlight hitting outdoor
side obstacles.
Clogged or dirty.
Not satisfied.
Refer performance
evaluation.
evaluation.
Vibration.
Intermitten noise.
Tilted to inside the room.
Clogged.
Clogged.
Set too low for ambient
conditions.
conditions.
Clogged or dirty.
Refer performance
evaluation.
Refer performance
evaluation.
Cause
Costumer restarted unit
immidiatelly without waiting 3
minutes.
immidiatelly without waiting 3
minutes.
Fan hitting cowling of
foreign materials.
Frozen Bearings.
Shorted or burned out.
foreign materials.
Frozen Bearings.
Shorted or burned out.
Capacitor defect.
Main control switch defect.
Main control switch defect.
Winding coil touch to the body
Rare shorted or burn
out.
Rare shorted or burn
out.
Overload Protector (OLP) broken.
Capacitor defect.
Thermostat defect.
Main control switch defect.
Capacitor defect.
Thermostat defect.
Main control switch defect.
Restricted air circulation.
Restricted heat exchanger.
Restricted heat exchanger.
Restricted heat exchanger.
Restricted heat exchanger.
Restricted air circulation.
Leakage of refrigerant or
refrigerant systems is blocked.
Faulty installation.
refrigerant systems is blocked.
Faulty installation.
Fan hitting object.
Refrigerant tubing touching
each other.
Fan splash drain water.
each other.
Fan splash drain water.
Restricted run off.
Clogged or blocked.
Clogged or blocked.
Outdoor temperature low
(Night time).
(Night time).
Restricted air circulation.
Leakage of refrigerant or
refrigerant systems is blocked.
Leakage of refrigerant or
refrigerant systems is blocked.
Remedy
Consult to an electician.
Repair open circuit.
Wait for 3 minute.
Repair or replace it.
Repair open circuit.
Wait for 3 minute.
Repair or replace it.
Set it to lower.
Adjust fan position setting.
Remove foreign materials.
Remove foreign materials.
Replace wires.
Replace capacitor fan motor.
Replace main control switch.
Replace main control switch.
Set it to lower.
Replace compressor.
Replace compressor.
Replace compressor terminals.
Replace Overload Protector.
Replace capacitor compressor.
Replace thermostat.
Replace main control switch.
Replace capacitor compressor.
Replace thermostat.
Replace main control switch.
Set it to lower.
Clean or replace air filter.
Consider to build an awning.
Remove obstacle or reinstall
unit.
Clean by steam cleaner.
Clean or replace air filter.
Consider to build an awning.
Remove obstacle or reinstall
unit.
Clean by steam cleaner.
Replace the unit with bigger
capacity.
Locate and repair leak.
Flush refrigeration cycle.
capacity.
Locate and repair leak.
Flush refrigeration cycle.
Reinstall unit or rein-
force the installation.
Adjust fan position or remove
foreign materials.
About 1/2" Clearance.
force the installation.
Adjust fan position or remove
foreign materials.
About 1/2" Clearance.
Set the drain outlet
downward, so that the
drain water can run off.
downward, so that the
drain water can run off.
Tilt unit to out side slightly.
remove the foreign materials.
remove the foreign materials.
Set main control switch to fan
to melt the ice, and set the
temperature control to higher
temperature.
Clean air filter/Evaporator.
Locate and repair the leakage
Flush refrigeration Cycle.
to melt the ice, and set the
temperature control to higher
temperature.
Clean air filter/Evaporator.
Locate and repair the leakage
Flush refrigeration Cycle.
Trouble
Fan Motor and
Compressor
won't run.
Compressor
won't run.
Fan Motor
won't run
won't run
Compressor
won't run (Fan
motor runs).
won't run (Fan
motor runs).
Insufficient
Cooling
Cooling
Noise
Water Dripping
Frozen Evapo-
rator
rator
- 5 -
Note: All parts are supplied from Nabel, Indonesia (Vendor Code: 068)
- 6 -
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CW-C51LE
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Part List
Jml
No.
Part Name
CW-C51LE
Part Code
BASE PAN ASS’Y
BULKHEAD
AIR GUIDER-PROPELLER FAN
BRACKET-FAN MOTOR
AIR GUIDER-B.WHEEL(BOTTOM)
AIR GUIDER-B.WHEEL(UPPER)
HOLDER-VENT.LEVER
CONNECTING BAR-A.SWING VANES
VANE-AIR SWING
VANE-AIR SWING
HOLDER-GUIDER A.SWING VANES
BLOWER WHEEL
PROPELLER FAN
NUT-PROPELLER FAN
WASHER-PROPELLER FAN
HOLDER-CAPACITOR(COMP)
CONTROL BOARD(MAIN)
HOLDER-SENSOR
COMPRESSOR
BUSHING-COMP MOUNT
NUT-COMP. MOUNT
GASKET-T.COVER
HOLDER-O.L.P
TERMINAL COVER-COMP
NUT-TERMINAL COVER
CONDENSOR
CAPILLARY TUBE
EVAPORATOR
FAN MOTOR
OVERLOAD PROTECTOR-COMP
CAPACITOR-FANMOTOR
CAPACITOR-COMP
MAIN CONTROL SWITCH
THERMOSTAT ROOM
TERMINAL BOARD
POWER SUPPLY CORD
FRONT GRILLE COMPLETE
AIR FILTER
GRILLE DOOR
CONTROL PANEL
CABINET COMPLETE
SCREW-BRACKET FAN MOTOR
SCREW-PROJECTION BOLT
SCREW-BLOWER WHEEL
SCREW-FRONT GRILLE MOUNT
SCREW-FRONT GRILLE MOUNT
SCREW-C.LOCKING BRACKET
SCREW-UNIT INSTALLATION
OPERATING INSTRUCTIONS
CC. CASE
BULKHEAD
AIR GUIDER-PROPELLER FAN
BRACKET-FAN MOTOR
AIR GUIDER-B.WHEEL(BOTTOM)
AIR GUIDER-B.WHEEL(UPPER)
HOLDER-VENT.LEVER
CONNECTING BAR-A.SWING VANES
VANE-AIR SWING
VANE-AIR SWING
HOLDER-GUIDER A.SWING VANES
BLOWER WHEEL
PROPELLER FAN
NUT-PROPELLER FAN
WASHER-PROPELLER FAN
HOLDER-CAPACITOR(COMP)
CONTROL BOARD(MAIN)
HOLDER-SENSOR
COMPRESSOR
BUSHING-COMP MOUNT
NUT-COMP. MOUNT
GASKET-T.COVER
HOLDER-O.L.P
TERMINAL COVER-COMP
NUT-TERMINAL COVER
CONDENSOR
CAPILLARY TUBE
EVAPORATOR
FAN MOTOR
OVERLOAD PROTECTOR-COMP
CAPACITOR-FANMOTOR
CAPACITOR-COMP
MAIN CONTROL SWITCH
THERMOSTAT ROOM
TERMINAL BOARD
POWER SUPPLY CORD
FRONT GRILLE COMPLETE
AIR FILTER
GRILLE DOOR
CONTROL PANEL
CABINET COMPLETE
SCREW-BRACKET FAN MOTOR
SCREW-PROJECTION BOLT
SCREW-BLOWER WHEEL
SCREW-FRONT GRILLE MOUNT
SCREW-FRONT GRILLE MOUNT
SCREW-C.LOCKING BRACKET
SCREW-UNIT INSTALLATION
OPERATING INSTRUCTIONS
CC. CASE
CWD54K194A
CWD53K086
CWD31079
CWD541023
CWD32101
CWD32102
CWD66164A
CWE26092A
CWE24225A
CWE24226A
CWD93575
CWH01K058
CWH00017
CWH56032
CWXWE6
CWH30108
CWH10639
CW4690379
2RS080D3AB02
CWH50072
CW4582065
CW7070604
CW7041200
CW7070208U
CW7080300
CWB32636
CWB15392
CWB30423
CWA951090
CWA12137
CWA31604MS
CWA31332
CWA07034
CWA15122
CW4711012
CWA20C2099
CWE11C2108
CWD00108A
CWE14277
CWE312116
CWE00K228A
CWH55101
CW4580211
CW4580326
CW4690193
CWXTT4+8CS+A
CW4580345
CWXTM5D30AS
CWF563461
CWG557589
CWD53K086
CWD31079
CWD541023
CWD32101
CWD32102
CWD66164A
CWE26092A
CWE24225A
CWE24226A
CWD93575
CWH01K058
CWH00017
CWH56032
CWXWE6
CWH30108
CWH10639
CW4690379
2RS080D3AB02
CWH50072
CW4582065
CW7070604
CW7041200
CW7070208U
CW7080300
CWB32636
CWB15392
CWB30423
CWA951090
CWA12137
CWA31604MS
CWA31332
CWA07034
CWA15122
CW4711012
CWA20C2099
CWE11C2108
CWD00108A
CWE14277
CWE312116
CWE00K228A
CWH55101
CW4580211
CW4580326
CW4690193
CWXTT4+8CS+A
CW4580345
CWXTM5D30AS
CWF563461
CWG557589
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50
Note: All parts are supplied from Nabel, Indonesia (Vendor Code: 068)
Part List
Jml
No.
Part Name
CW-C51LE
Part Code
BASE PAN ASS’Y
BULKHEAD
AIR GUIDER-PROPELLER FAN
BRACKET-FAN MOTOR
AIR GUIDER-B.WHEEL(BOTTOM)
AIR GUIDER-B.WHEEL(UPPER)
HOLDER-VENT.LEVER
CONNECTING BAR-A.SWING VANES
VANE-AIR SWING
VANE-AIR SWING
HOLDER-GUIDER A.SWING VANES
BLOWER WHEEL
PROPELLER FAN
NUT-PROPELLER FAN
WASHER-PROPELLER FAN
HOLDER-CAPACITOR(COMP)
CONTROL BOARD(MAIN)
HOLDER-SENSOR
COMPRESSOR
BUSHING-COMP MOUNT
NUT-COMP. MOUNT
GASKET-T.COVER
HOLDER-O.L.P
TERMINAL COVER-COMP
NUT-TERMINAL COVER
CONDENSOR
CAPILLARY TUBE
EVAPORATOR
FAN MOTOR
OVERLOAD PROTECTOR-COMP
CAPACITOR-FANMOTOR
CAPACITOR-COMP
MAIN CONTROL SWITCH
THERMOSTAT ROOM
TERMINAL BOARD
POWER SUPPLY CORD
FRONT GRILLE COMPLETE
AIR FILTER
GRILLE DOOR
CONTROL PANEL
CABINET COMPLETE
SCREW-BRACKET FAN MOTOR
SCREW-PROJECTION BOLT
SCREW-BLOWER WHEEL
SCREW-FRONT GRILLE MOUNT
SCREW-FRONT GRILLE MOUNT
SCREW-C.LOCKING BRACKET
SCREW-UNIT INSTALLATION
OPERATING INSTRUCTIONS
CC. CASE
BULKHEAD
AIR GUIDER-PROPELLER FAN
BRACKET-FAN MOTOR
AIR GUIDER-B.WHEEL(BOTTOM)
AIR GUIDER-B.WHEEL(UPPER)
HOLDER-VENT.LEVER
CONNECTING BAR-A.SWING VANES
VANE-AIR SWING
VANE-AIR SWING
HOLDER-GUIDER A.SWING VANES
BLOWER WHEEL
PROPELLER FAN
NUT-PROPELLER FAN
WASHER-PROPELLER FAN
HOLDER-CAPACITOR(COMP)
CONTROL BOARD(MAIN)
HOLDER-SENSOR
COMPRESSOR
BUSHING-COMP MOUNT
NUT-COMP. MOUNT
GASKET-T.COVER
HOLDER-O.L.P
TERMINAL COVER-COMP
NUT-TERMINAL COVER
CONDENSOR
CAPILLARY TUBE
EVAPORATOR
FAN MOTOR
OVERLOAD PROTECTOR-COMP
CAPACITOR-FANMOTOR
CAPACITOR-COMP
MAIN CONTROL SWITCH
THERMOSTAT ROOM
TERMINAL BOARD
POWER SUPPLY CORD
FRONT GRILLE COMPLETE
AIR FILTER
GRILLE DOOR
CONTROL PANEL
CABINET COMPLETE
SCREW-BRACKET FAN MOTOR
SCREW-PROJECTION BOLT
SCREW-BLOWER WHEEL
SCREW-FRONT GRILLE MOUNT
SCREW-FRONT GRILLE MOUNT
SCREW-C.LOCKING BRACKET
SCREW-UNIT INSTALLATION
OPERATING INSTRUCTIONS
CC. CASE
CWD54K194A
CWD53K086
CWD31079
CWD541023
CWD32101
CWD32102
CWD66164A
CWE26092A
CWE24225A
CWE24226A
CWD93575
CWH01K058
CWH00017
CWH56032
CWXWE6
CWH30108
CWH10639
CW4690379
2RS080D3AB02
CWH50072
CW4582065
CW7070604
CW7041200
CW7070208U
CW7080300
CWB32636
CWB15392
CWB30423
CWA951090
CWA12137
CWA31604MS
CWA31332
CWA07034
CWA15122
CW4711012
CWA20C2099
CWE11C2108
CWD00108A
CWE14277
CWE312116
CWE00K228A
CWH55101
CW4580211
CW4580326
CW4690193
CWXTT4+8CS+A
CW4580345
CWXTM5D30AS
CWF563461
CWG557589
CWD53K086
CWD31079
CWD541023
CWD32101
CWD32102
CWD66164A
CWE26092A
CWE24225A
CWE24226A
CWD93575
CWH01K058
CWH00017
CWH56032
CWXWE6
CWH30108
CWH10639
CW4690379
2RS080D3AB02
CWH50072
CW4582065
CW7070604
CW7041200
CW7070208U
CW7080300
CWB32636
CWB15392
CWB30423
CWA951090
CWA12137
CWA31604MS
CWA31332
CWA07034
CWA15122
CW4711012
CWA20C2099
CWE11C2108
CWD00108A
CWE14277
CWE312116
CWE00K228A
CWH55101
CW4580211
CW4580326
CW4690193
CWXTT4+8CS+A
CW4580345
CWXTM5D30AS
CWF563461
CWG557589
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46
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48
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Note: All parts are supplied from Nabel, Indonesia (Vendor Code: 068)
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